Two long current carrying thin wires , both with current `I`, are held by insulating threads of length `L` and are in equilibrium as shown in the gigure , With threads making an angle ` theta` with the vertical . If wires have mass ` lambda` per unit length then the value of `I` is :
A
`2sinthetasqrt((pilambdagL)/(mu_(0) costheta))`
B
`2sqrt((pigL)/(mu_(0))tan theta)`
C
`sqrt((pilambdagL)/(mu_(0))tan theta)`
D
`sin thetasqrt((pilambdagL)/(mu_(0)cos theta))`
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The correct Answer is:
A
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